vinman2, one-thousand welcomes... a northern california DNA scientist. your handle even makes sense. About your assertion I may be confused? Everone reading here knows that.
I said, "{{Bavi- was developed as a double-armed MAB vehicle to carry cytotoxins to a specific docking site on vascular endothelial cells, the inner lining cells of blood vessels which nourish cancers and allow them to grow. Bavituximab was originally an anti-angiogenesis MAB in the same category as Avastin, but with a different, exclusive docking site on membrane surface -PS. The idea was to target tumor vasculature. }}
You said, "Unless specifically engineered, all IgG monoclonal Abs have two arms which comprise the variable portion of the antibody. I'm with you so far...continued